Inclined tongue reversing structure

Abstract

The utility model discloses a latch bolt reversing structure which comprises an upper shell and a lower shell, a guide plate assembly is installed on one side of the upper shell and one side of the lower shell, and a latch bolt linkage assembly and a latch bolt assembly are arranged between the upper shell and the lower shell. The latch bolt assembly comprises a latch bolt and a latch bolt protection plate which penetrate through the guide plate assembly, a clamping groove is formed in the side edge of the latch bolt, and the latch bolt linkage assembly comprises a motor assembly, a transmission gear rotating synchronously with the motor assembly, an unlocking shifting piece rotating the same as the transmission gear and an unlocking sliding block driven by the unlocking shifting piece to move leftwards; the unlocking sliding block is provided with a buckling piece which is attached to or separated from the clamping groove to achieve locking or unlocking of the inclined tongue. The direction of the latch bolt of the lock body can be easily changed according to the door opening direction, and the door lock is convenient to produce, sell and install.

Description

TECHNICAL FIELD

[0001] The utility model relates to lock body technical field, concretely is a latch reversing structure. BACKGROUND

[0002] After the door lock is installed on the door plate, the latch on the door lock has a direction, so that the door can only be opened in one direction after installation, and the door opening direction cannot be changed, if the door opening direction is to be changed, the latch of the door lock needs to be converted by 180 degrees, at present, different latches in different directions need to be designed for the door lock according to different door opening directions, and the direction of the latch needs to be carefully checked during installation, otherwise, if the direction of the latch is wrong, the door cannot be automatically closed, the door lock needs to be disassembled and replaced with a door lock having a latch corresponding to the door opening direction, so that the door lock is prone to errors in the production, sales and installation links, and the normal installation and use of the door lock are affected. SUMMARY

[0003] The utility model discloses a latch reversing structure, which can realize door opening and closing, and the latch can be freely reversed and locked, and the structure is simple and convenient to install, so as to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A latch reversing structure comprises an upper shell and a lower shell, a guide plate assembly is installed on one side of the upper shell and the lower shell, a latch linkage assembly and a latch assembly are arranged between the upper shell and the lower shell.

[0006] The latch assembly comprises a latch penetrating through the guide plate assembly, a latch return spring facilitating the return of the latch and a latch guard plate, a clamping groove is arranged on the side edge of the latch, and the clamping groove comprises a first clamping groove and a second clamping groove.

[0007] The latch linkage assembly comprises a motor assembly, a transmission gear rotating synchronously with the motor assembly, a lock release tab rotating synchronously with the transmission gear and an unlocking slider moving to the left under the drive of the lock release tab, and a buckling piece for locking or unlocking the latch is arranged on the unlocking slider. A motor assembly gear for driving the transmission gear to rotate synchronously is arranged in the motor assembly. The lock release tab is provided with a lock release tab return spring.

[0008] Latch door opening state: the motor assembly gear rotates clockwise, drives the lock release transmission gear to rotate counterclockwise, drives the bent flange of the lock release tab through the boss on the gear, drives the unlocking slider to move to the left through the protruding block, and the buckling piece of the unlocking slider is separated from the latch, the first clamping groove and the second clamping groove, so that the latch can be flipped to be unlocked.

[0009] The transmission gear is provided with a gear upper boss, and the unlocking tab is provided with a bent flange matched with the gear upper boss.

[0010] The upper shell and the lower shell are further provided with a triangular tongue assembly pressed in when the user closes the door, and the triangular tongue assembly comprises a triangular tongue rod provided with a triangular tongue rod boss.

[0011] The triangular tongue linkage assembly further comprises an unlocking linkage piece matched with the triangular tongue rod boss, an unlocking piece matched with the unlocking linkage piece and an unlocking slider pushed to move right by the unlocking piece. The unlocking piece is provided with an unlocking piece return spring.

[0012] The triangular tongue locking state: the triangular tongue assembly is pressed in when the door is closed, the triangular tongue rod boss of the triangular tongue rod is separated from the unlocking linkage piece, the unlocking piece is bounced away, the unlocking piece pushes the unlocking slider to move right under the action of the unlocking piece return spring, the locking piece of the unlocking slider is locked into the clamping groove of the triangular tongue, the triangular tongue is limited to turn over, and the door is locked.

[0013] In another embodiment, a first linkage piece is arranged on the unlocking tab instead of the unlocking piece. The triangular tongue linkage assembly further comprises an unlocking linkage piece matched with the triangular tongue rod boss, a first linkage piece matched with the unlocking linkage piece and an unlocking slider pushed to move right by the unlocking tab.

[0014] The triangular tongue rod is provided with a triangular tongue return spring facilitating the resetting of the triangular tongue assembly.

[0015] The locking piece penetrates the triangular tongue guard plate and is attached to or separated from the clamping groove.

[0016] The upper end of the unlocking tab is provided with a protruding block extending into the unlocking slider.

[0017] Compared with the prior art, the structure of the utility model is locked or unlocked by moving the unlocking slider right and left, the triangular tongue is locked by the triangular tongue assembly linkage when the door is closed, and the locking is convenient. The door can be opened to the left outside and the right inside or the left inside and the right outside, the guide plate does not need to be disassembled, or the opening direction is changed by operating the reversing structure. The triangular tongue is reversely locked when the door is opened or closed, the structure is simple, and the installation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an exploded view of the triangular tongue reversing structure of the utility model;

[0019] Figure 2 It is a perspective view of the triangular tongue reversing structure of the utility model;

[0020] Figure 3 It is a structure schematic view (1) of the triangular tongue opening state in the triangular tongue reversing structure of the utility model;

[0021] Figure 4 Figure (2) is a structure schematic diagram of the latching tongue door opening state in the latching tongue reversing structure of the utility model;

[0022] Figure 5 Figure (1) is a structure schematic diagram of the latching tongue door locking state in the latching tongue reversing structure of the utility model;

[0023] Figure 6 Figure (2) is a structure schematic diagram of the latching tongue door locking state in the latching tongue reversing structure of the utility model;

[0024] Figure 7 Figure (2) is a structure schematic diagram of the latching tongue door opening state in the latching tongue reversing structure of the utility model;

[0025] Figure 8 Figure (2) is a structure schematic diagram of the latching tongue door opening state in the latching tongue reversing structure of the utility model.

[0026] In the figure: 1 - lower shell; 2 - latching tongue; 3 - guide plate assembly; 4 - unlocking slider; 5 - unlocking piece; 6 - unlocking linkage piece; 7 - triangular tongue assembly; 8 - triangular tongue rod; 9 - triangular tongue reset spring; 10 - unlocking push piece; 11, unlocking push piece reset spring; 12 - unlocking piece reset spring; 13 - latching tongue guard plate; 14 - latching tongue reset spring; 15 - motor assembly; 16 - unlocking transmission gear; 101 - bent flange; 102 - protruding block; 21 - first clamping groove; 22 - second clamping groove; 41 - buckling piece; 161 - gear upper boss; 81 - triangular tongue rod boss; 151 - motor assembly gear; 103 - first linkage piece. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] REFERENCE Figures 1-6The application discloses a latch reversing structure, which comprises an upper shell and a lower shell 1, one side of the upper shell and the lower shell 1 is provided with a guide plate assembly 3, a latch 2 linkage assembly and a latch 2 assembly are arranged between the upper shell and the lower shell 1; the latch 2 assembly comprises the latch 2 penetrating through the guide plate assembly 3, a latch reset spring 14 facilitating the latch 2 back position and a latch guard plate 13, the side of the latch 2 is provided with a clamping groove, the clamping groove comprises a first clamping groove 21 and a second clamping groove 22; the latch 2 linkage assembly comprises a motor assembly 15, a transmission gear rotating synchronously with the motor assembly 15, a unlocking push piece 10 rotating synchronously with the transmission gear and an unlocking slider 4 moving to the left driven by the unlocking push piece 10; the unlocking slider 4 is provided with a buckling piece 41 achieving latch 2 locking or unlocking by being attached to or separated from the clamping groove; the motor assembly 15 is provided with a motor assembly gear 151 driving the transmission gear to rotate synchronously; the unlocking push piece 10 is provided with an unlocking push piece reset spring 11.

[0029] The latch 2 unlocking state: the motor assembly gear 151 rotates clockwise, the unlocking transmission gear 16 rotates counterclockwise, the bending turn-up edge 101 of the unlocking push piece 10 is driven by the boss 161 on the gear, the unlocking slider 4 is driven to move to the left by the protruding block 102, the buckling piece 41 of the unlocking slider 4 is separated from the clamping groove of the latch 2, the first clamping groove 21 and the second clamping groove 22, so that the latch 2 can be turned to unlock.

[0030] The transmission gear is provided with the boss 161 on the gear, and the unlocking push piece 10 is provided with the bending turn-up edge 101 matched with the boss 161 on the gear; the upper shell and the lower shell 1 are further provided with a triangular tongue assembly 7 being pressed in along with the user closing the door, the triangular tongue assembly 7 comprises a triangular tongue rod 8, and the triangular tongue rod 8 is provided with a triangular tongue rod boss 81.

[0031] The latch 2 linkage assembly further comprises the unlocking linkage piece 6 matched with the triangular tongue rod boss 81, the unlocking piece 5 matched with the unlocking linkage piece 6 and the unlocking slider 4 moving to the right driven by the unlocking piece 5; the unlocking piece 5 is provided with the unlocking piece reset spring 12.

[0032] The latch 2 locking state: the triangular tongue assembly 7 is pressed in when the door is closed, the triangular tongue rod boss 81 of the triangular tongue rod 8 is separated from the unlocking linkage piece 6, the unlocking piece 5 is bounced away, the unlocking piece 5 pushes the unlocking slider 4 to move to the right under the action of the unlocking piece reset spring 12, the buckling piece 41 of the unlocking slider 4 is buckled into the clamping groove of the latch 2, the latch 2 is limited to be turned, and the door is locked.

[0033] Refer to Figures 7-8In the embodiment 2, the unlocking push 10 is provided with the first linkage 103 instead of the unlocking piece 5. The unlocking push 10 is provided with the first linkage 103, the latch bolt linkage assembly further comprises the unlocking linkage 6 matched with the triangular tongue rod boss 81, the first linkage 103 matched with the unlocking linkage 6 and the unlocking slider 4 pushed by the unlocking push 10 to move right.

[0034] The triangular tongue rod 8 is provided with the triangular tongue reset spring 9 for resetting the triangular tongue assembly 7. The buckle piece 41 penetrates the latch bolt guard 13 and is attached to or separated from the clamping groove. The upper end of the unlocking push 10 is provided with the protruding block 102 extending into the unlocking slider 4.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tilted tongue reversing structure, comprising an upper shell and a lower shell, wherein a guide plate assembly is installed on one side of the upper shell and the lower shell, characterized in that: An inclined tongue linkage assembly and an inclined tongue assembly are provided between the upper shell and the lower shell; The oblique tongue assembly includes an oblique tongue and an oblique tongue guard that penetrates the guide plate assembly. A slot is provided on the side of the oblique tongue. The inclined bolt linkage assembly includes a motor assembly, a transmission gear that rotates synchronously with the motor assembly, an unlocking paddle that rotates in the same manner as the transmission gear, and an unlocking slider that is driven to move to the left by the unlocking paddle; the unlocking slider is provided with a snapping piece that engages with or separates from the card slot to achieve locking or unlocking of the inclined bolt.

2. The oblique tongue reversing structure according to claim 1, characterized in that: The transmission gear is provided with a gear upper boss, and the unlocking paddle is provided with a bent flange that matches the gear upper boss.

3. The oblique tongue reversing structure according to claim 1 or 2, characterized in that: A triangular tongue assembly is provided between the upper shell and the lower shell, which is pressed in as the user closes the door. The triangular tongue assembly includes a triangular tongue rod, and a triangular tongue rod boss is provided on the triangular tongue rod.

4. The oblique tongue reversing structure according to claim 3, characterized in that: The oblique tongue linkage assembly further includes an unlocking linkage piece matched with the triangular tongue rod boss, an unlocking piece matched with the unlocking linkage piece, and an unlocking slider pushed to the right by the unlocking piece.

5. The oblique tongue reversing structure according to claim 3, characterized in that: The unlocking paddle is provided with a first linkage piece, and the oblique tongue linkage assembly also includes an unlocking linkage piece matching the triangular tongue rod boss, a first linkage piece cooperating with the unlocking linkage piece, and an unlocking slider pushed to the right by the unlocking paddle.

6. The oblique tongue reversing structure according to claim 4 or 5, characterized in that: The triangular tongue rod is provided with a triangular tongue reset spring for facilitating the reset of the triangular tongue assembly.

7. The oblique tongue reversing structure according to claim 1, characterized in that: The buckle piece passes through the oblique tongue guard and is attached to or separated from the slot.

8. The oblique tongue reversing structure according to claim 1, characterized in that: The upper end of the unlocking paddle is provided with a protruding block which extends into the unlocking slider.

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